Message Collector Error

    const username_collector = message.channel.createMessageCollector({ filter, max: 1, time: 60000 })
    username_collector.on('collect', async (m) => {
      if (m.content.toLowerCase() === 'cancel') return username_collector.stop('user cancelled')
      username = m.content
      username_collector.stop('username collected.')
    })

Error (1)
  Received one or more errors

  input[0]
  | CombinedPropertyError (1)
  |   Received one or more errors
  | 
  |   input.value
  |   | ValidationError > s.string
  |   |   Expected a string primitive
  |   | 
  |   |   Received:
  |   |   | undefined